The content of the invention
The purpose of the disclosure is to provide a kind of lifting mechanism hybrid power that can be realized load gravitional force and recycle
System.
To achieve these goals, according to an aspect of this disclosure, there is provided a kind of lifting mechanism hybrid power system, bag
Hydraulic motor, battery, motor, first clutch, second clutch and raising elevator are included, the hydraulic motor passes through the first clutch
Device is connected with the raising elevator, and the motor is connected by the second clutch with the raising elevator, and the battery is used
In to motor supply electric energy and for storing electric energy caused by the motor.
Alternatively, the lifting mechanism hybrid power system also includes inverter, and the inverter is connected to the battery
Between motor.
Alternatively, the lifting mechanism hybrid power system also includes gear-box and reductor, and the motor passes through described
First clutch is connected with the first input shaft of the gear-box, and the hydraulic motor passes through the second clutch and the tooth
Second input shaft of roller box is connected, and the output shaft of the gear-box is connected by the reductor with the raising elevator.
Alternatively, the lifting mechanism hybrid power system also includes the first reductor and the second reductor, the hydraulic pressure
Motor passes sequentially through the first clutch and the first reductor to connect the raising elevator, and the motor passes sequentially through described
Second clutch and the second reductor are to connect the raising elevator.
The lifting mechanism hybrid power system that the disclosure provides, gravitional force recovery is converted into when can fall under a load
In the battery, battery is provided separately power or power is provided together with hydraulic system to realize load electrical power storage when loading raising
Fast lifting, while realizing energy-conservation, it is possible to increase crane job performance and operating efficiency.
According to another aspect of the present disclosure, there is provided a kind of crane, the crane mix including lifting mechanism as described above
Close dynamical system.
Alternatively, the crane includes electrical equipment, and the battery is also connected with the electrical equipment, with to the electricity
Gas equipment supplies electric energy.
Alternatively, the electrical equipment is air-conditioning.
Alternatively, the crane includes balance weight, and the battery is arranged on the inside of the balance weight or installed in institute
State in balance weight.
According to the another further aspect of the disclosure, there is provided a kind of control method of lifting mechanism hybrid power system, the control
Method includes:
Receive raising instruction;
Load data is obtained, judges whether load is more than load preset value;
The electric quantity data of the battery is obtained, judges whether the electricity of the battery is more than electricity preset value;
If load is more than the load preset value, and the electricity of the battery is more than the electricity preset value, then controls
The first clutch and second clutch engage;
If load is more than the load preset value, and the electricity of the battery is not more than the electricity preset value, then controls
Make the first clutch engagement, the second clutch separation;
If load is not more than the load preset value, and the electricity of the battery is more than the electricity preset value, then controls
Make the first clutch separation, the second clutch engagement;
If load is not more than the load preset value, and the electricity of the battery is not more than the electricity preset value, then
The first clutch is controlled to engage, the second clutch separation.
According to the another aspect of the disclosure, there is provided a kind of control method of lifting mechanism hybrid power system, the control
Method includes:
Receive instruction of falling;
The first clutch is controlled to engage;
Load data is obtained, judges whether load is more than load setpoint;
The electric quantity data of the battery is obtained, judges that the battery is in and is full of electricity condition or underfill electricity condition;
If load is more than the load setpoint, and the battery is in underfill electricity condition, then controls described second
Clutch engages;
If load is more than the load setpoint, and the battery is in electricity condition is full of, then control described second from
Clutch separates;
If load is not more than the load setpoint, the second clutch is controlled to separate.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
As shown in Figure 1 and Figure 4, according to an aspect of this disclosure, there is provided a kind of lifting mechanism hybrid power system, including
Raising elevator 12 and hydraulic power system and electric power system for driving raising elevator 12.
Wherein, hydraulic power system can include hydraulic system 1, hydraulic motor 2 and first clutch 3, and hydraulic system 1 is used
In providing power to hydraulic motor 2, hydraulic system 1 can be identical with the crane hoisting mechanism hydraulic system of prior art, example
Hydraulic pump and reversal valve can such as be included, hydraulic pump drives hydraulic motor 2 to rotate by reversal valve, and hydraulic motor 2 passes through second
Clutch 7 connects raising elevator 12.Electric power system can include battery 4, motor 6 and second clutch 7, battery 4 and electricity
Machine 6 is connected, and motor 6 connects raising elevator 12 by second clutch 7.
Motor 6 has reverse power generation function, that is to say, that motor 6 can both be used as generator, can also be used as electronic
Machine.Specifically, operating mode is fallen under a load, when second clutch 2 engages, motor 6 can be used as generator, will load 13 weight
Power potential energy is electric energy and is transferred to battery 4 and stores;In load raising operating mode, when second clutch 2 engages, motor
6 can be used as motor, and the electric energy of storage is supplied to motor 6 to be rotated with motor 6 by battery 4 so that motor 6 is operated alone
(during underloading) or raising elevator 12 (when heavily loaded) is driven together with hydraulic motor 2, so as to realize underloading fast lifting and heavy duty
Power-assisted is provided.
In the disclosure, battery 4 can only to motor 6 supply electric energy, can also both to motor 6 supply electric energy, and to rise
Other electrical equipments 14 supply electric energy of heavy-duty machine, the electrical equipment 14 for example can be air-conditioning.
Because in the case where exporting Same Efficieney, the size of direct current generator is bigger than alternating current generator.Therefore, in order to reduce electricity
The volume of machine 6, convenient mounting arrangements, motor 11 on vehicle can be alternating current generator.In this case it is necessary in battery 4
Inverter 5 is set between motor 6, the direct current that battery 4 exports is first converted into alternating current, then passes to motor 6 again.
In order to reduce the rotating speed of raising elevator 12, the torque of increase raising elevator 12, can be rolled up in dynamical system and raising
Reductor is set between raising 12.
As the first embodiment, as shown in Figure 1 to Figure 3, lifting mechanism hybrid power system can also include gear
Case 8 and reductor 9, motor 6 are connected by first clutch 3 with the first input shaft of gear-box 8, and hydraulic motor 2 passes through second
Clutch 7 is connected with the second input shaft of gear-box 8, and the output shaft of gear-box 8 is connected by reductor 9 with raising elevator 12.
Hydraulic power system and electric power system form input in parallel with gear-box 8 for node.
Specifically, in the first embodiment, as shown in Figures 2 and 3, raising elevator 12 may be mounted at turntable 15
Inside rear end, it can be rotated relative to turntable 15.Balance weight 16 may be mounted at the afterbody of turntable 15, and gear-box 8, which may be mounted at, to be turned
The rear side of platform 15 and the one end for being located at raising elevator 12.Gear-box 8 has two input shafts, wherein, the first input axis connection
Hydraulic motor 2, first clutch 3, the second input axis connection motor 6, second clutch 7.The output axis connection of gear-box 8 is slowed down
Machine 8, reductor 8 may be mounted at the inside of raising elevator 12 close to one end of gear-box 8.
Battery 4 may be mounted at the position of balance weight 16, may be mounted inside balance weight 16, can also be arranged on balance
Weigh on 16 to be arranged side by side with balance weight 16.Because battery 4 is conducted oneself with dignity heavier, in this way battery 4 can be made to have balance concurrently
16 function is weighed, to substitute a part of balance weight 16, so as to reach the purpose for not increasing complete vehicle weight as far as possible.
As second of embodiment, as shown in Figures 4 to 6, lifting mechanism hybrid power system can also include first
The reductor 11 of reductor 10 and second, hydraulic motor 2 pass sequentially through the reductor 10 of first clutch 3 and first to connect raising volume
12 are raised, motor 6 passes sequentially through the reductor 11 of second clutch 7 and second to connect raising elevator 12.Hydraulic power system and electricity
Pneumatic power system is that node forms input in parallel with raising elevator 12.
Specifically, in second of embodiment, as shown in Figure 5 and Figure 6, raising elevator 12 may be mounted at turntable 15
Inside rear end, it can be rotated relative to turntable 15.Balance weight 16 may be mounted at the afterbody of turntable 15.The inside one end of raising elevator 12 is consolidated
Dingan County fills the first reductor 10, and the second reductor 11 is fixedly mounted in the other end.The input of first reductor 10 and the first clutch
Device 3, hydraulic motor 2 are connected, and the input of the second reductor 11 is connected with second clutch 7, motor 6.Battery 4 may be mounted at
The position of balance weight 16, may be mounted inside balance weight 16, can also be arranged on balance weight 16 on with balance weight 16 side by side
Set.
According to an aspect of this disclosure, there is provided a kind of crane, the crane mix including lifting mechanism as described above
Close dynamical system.
A kind of as shown in fig. 7, another further aspect according to the disclosure, there is provided lifting mechanism hybrid power system as described above
Control method, for loading raising operating mode, the control method includes:
Receive raising instruction;
Load data is obtained, judges whether load is more than load preset value;
The electric quantity data of battery 4 is obtained, judges whether the electricity of battery 4 is more than electricity preset value;
If load is more than the load preset value, and the electricity of battery 4 is more than the electricity preset value, then controls first
Clutch 3 and second clutch 7 engage, and the valve element of the reversal valve is in raising position, so that hydraulic power system and electricity
Pneumatic power system provides power to raising elevator 12 simultaneously, and raising elevator 12 rotates forward, and realizes heavy haul and rapid raising, and lifting is made
Industry performance and efficiency;
If load is more than the load preset value, and the electricity of battery 4 is not more than the electricity preset value, then controls the
One clutch 3 engages, and second clutch 7 separates, and the valve element of the reversal valve is in raising position, so that hydraulic power system list
Power solely is provided to raising elevator 12, raising elevator 12 rotates forward, and realizes lifting functions;
If load is not more than the load preset value, and the electricity of battery 4 is more than the electricity preset value, then controls the
One clutch 3 separates, and second clutch 7 engages, so that electric power system individually provides power, raising volume to raising elevator 12
Raise 12 to rotate forward, this operating mode can make full use of electrically driven fireballing advantage, improve lifting velocity, improve operation effect
Rate;
If load is not more than the load preset value, and the electricity of battery 4 is not more than the electricity preset value, then controls
First clutch 3 engages, and second clutch 7 separates, and the valve element of the reversal valve is in raising position, so that hydraulic power system
Power individually is provided to raising elevator 12, raising elevator 12 rotates forward, and realizes lifting functions.
Pass through this control method, it is possible to achieve load fast lifting (especially under light duty), lifting velocity is improved,
Improve operating efficiency.
The load preset value can determine according to the nominal load and other running parameters of crane.The electricity is pre-
If value can determine according to battery behavior and test data.
In one embodiment, the load preset value can be zero, that is to say, that if loading, and battery 4
Electricity is more than the electricity preset value, then controls first clutch 3 and second clutch 7 to engage;If loading, and battery
4 electricity is not more than the electricity preset value, then controls first clutch 3 to engage, second clutch 7 separates;If non-loaded,
And the electricity of battery 4 is more than the electricity preset value, then first clutch 3 is controlled to separate, second clutch 7 engages;If nothing
Load, and the electricity of battery 4 is not more than the electricity preset value, then controls first clutch 3 to engage, second clutch 7 separates.
A kind of as shown in figure 8, another aspect according to the disclosure, there is provided lifting mechanism hybrid power system as described above
Control method, for loading whereabouts operating mode, the control method includes:
Receive instruction of falling;
Control first clutch 3 engage, the valve element of the reversal valve switches to down position so that hydraulic power system with
Raising elevator 12 connects, and load declines, and raising elevator 12 reversely rotates;
Load data is obtained, judges whether load is more than load setpoint;
The electric quantity data of battery 4 is obtained, judges that battery 4 is in and is full of electricity condition or underfill electricity condition;
If load is more than the load setpoint, and battery 4 is in underfill electricity condition, then controls second clutch
7 engagements, so that electric power system is connected with raising elevator 12, load declines, and raising elevator 12 reversely rotates, and passes through motor
6 charge back to battery 4;
If load is more than the load setpoint, and battery 4 is in and is full of electricity condition, then controls second clutch 7
Separation, so that electric power system disconnects with raising elevator 12;
If load be not more than the load setpoint, control second clutch 7 separates so that electric power system and
Raising elevator 12 disconnects.
By this control method, operating mode recovery gravitional force can be fallen under heavy loads, save the energy.
The load setpoint can determine according to the nominal load and other running parameters of crane.The load is set
Definite value can be with identical with above-mentioned load preset value, can also be different.
To sum up, the lifting mechanism hybrid power system that the disclosure provides, reclaims gravitional force when can fall under a load
It is converted into electrical power storage in the battery, power is provided separately when loading raising or power is provided together with hydraulic system and realizes load
Fast lifting, or used for other electrical equipments.While realizing energy-conservation, it is possible to increase crane job performance and operation effect
Rate.
The lifting mechanism hybrid power system of the disclosure is applied to all crane class products with winding lifting mechanism,
Including but not limited to autocrane and crawler crane.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.